Question about 1999 Aprilia RS 125 Extrema
I didn't think there was an adjustment in there, the air fuel screw?? Is it outside? Are there 2 screws outside? Is it Mikuni? If it has 2 adj screws outside, turn both in all the way, then back them out 1 1/4 turns each, this should get you running, some minor adj from there should make it right. But I could have sworn there was no adj on those, and the only way to adjust it is to change the jet. Check it out.
Posted on May 30, 2010
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Posted on Jan 02, 2017
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